kfilednddetailview.cpp
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00020 #include <qptrlist.h>
00021 #include <qapplication.h>
00023
00024 #include <kfileitem.h>
00025 #include <kiconloader.h>
00026 #include <kdebug.h>
00028
00029 #include "kfilednddetailview.h"
00030
00031 #ifndef AUTO_OPEN_TIME
00032 #define AUTO_OPEN_TIME
00033 static int autoOpenTime = 750;
00034 #endif
00035
00036 KFileDnDDetailView::KFileDnDDetailView(QWidget *parent, const char *name )
00037 : KFileDetailView(parent,name), m_autoOpenTimer( this ),
00038 m_autoOpenTime( autoOpenTime ), m_useAutoOpenTimer( true ),
00039 m_dropItem(0), m_dndEnabled( true )
00040 {
00041 setAutoUpdate( true );
00042 setDnDEnabled( true );
00043 useAutoOpenTimer( true );
00044 }
00045
00046 KFileDnDDetailView::~KFileDnDDetailView(){
00047 }
00048
00049 void KFileDnDDetailView::readConfig( KConfig* config, const QString& group ) {
00050 KConfigGroupSaver cs( config, group );
00051 bool dnd = config->readBoolEntry("DragAndDrop", true );
00052 setDnDEnabled( dnd );
00053 KFileDetailView::readConfig( config, group );
00054 }
00055
00056 void KFileDnDDetailView::writeConfig( KConfig* config, const QString& group ) {
00057 KConfigGroupSaver cs( config, group );
00058 config->writeEntry("DragAndDrop", m_dndEnabled );
00059 KFileDetailView::writeConfig( config, group );
00060 }
00061
00062 void KFileDnDDetailView::slotOpenFolder(){
00063 if( m_useAutoOpenTimer ) {
00064 m_autoOpenTimer.stop();
00065 if( !m_dropItem )
00066 return;
00067 }
00068 KFileItemListIterator it( * KFileView::items() );
00069 for( ; it.current() ;++it ){
00070 if( (*it)->name() == m_dropItem->text(0) ) {
00071 if( (*it)->isFile() )
00072 return;
00073 else if( (*it)->isDir() || (*it)->isLink()) {
00074 sig->activate( (*it) );
00075 return;
00076 }
00077 }
00078 }
00079 }
00080
00081 void KFileDnDDetailView::contentsDragEnterEvent( QDragEnterEvent *e ) {
00082
00083 kdDebug () << "KFileDnDDetailView::contentsDragEnterEvent" << endl;
00084
00085 if ( ! acceptDrag( e ) ) {
00086 e->accept( false );
00087 return;
00088 }
00089 e->acceptAction();
00090 QListViewItem *i = itemAt( contentsToViewport( e->pos() ) );
00091 if ( i && m_useAutoOpenTimer ) {
00092 m_dropItem = i;
00093 m_autoOpenTimer.start( m_autoOpenTime );
00094 }
00095 }
00096
00097 void KFileDnDDetailView::contentsDragMoveEvent( QDragMoveEvent *e ) {
00098
00099 kdDebug () << "KFileDnDDetailView::contentsDragMoveEvent" << endl;
00100
00101 if ( ! acceptDrag( e ) ) {
00102 e->accept( false );
00103 return;
00104 }
00105 e->acceptAction();
00106 QListViewItem *i = itemAt( contentsToViewport( e->pos() ) );
00107 if( ! m_useAutoOpenTimer )
00108 return;
00109 if ( i ) {
00110 if ( i != m_dropItem ) {
00111 m_autoOpenTimer.stop();
00112 m_dropItem = i;
00113 m_autoOpenTimer.start( m_autoOpenTime );
00114 }
00115 }
00116 else
00117 m_autoOpenTimer.stop();
00118 }
00119
00120 void KFileDnDDetailView::contentsDragLeaveEvent( QDragLeaveEvent* ) {
00121
00122 kdDebug () << "KFileDnDDetailView::contentsDragLeaveEvent" << endl;
00123
00124 if( m_useAutoOpenTimer ) {
00125 m_autoOpenTimer.stop();
00126 m_dropItem = 0L;
00127 }
00128 }
00129
00130 void KFileDnDDetailView::contentsDropEvent( QDropEvent* e ) {
00131
00132 kdDebug () << "KFileDndDetailView::contentsDropEvent" << endl;
00133
00134 if( m_useAutoOpenTimer ) {
00135 m_autoOpenTimer.stop();
00136 m_dropItem = 0L;
00137 }
00138 if( ! acceptDrag( e ) ) {
00139 e->acceptAction( false );
00140 return;
00141 }
00142 e->acceptAction();
00143
00144 KURL::List urls;
00145 KURLDrag::decode( e, urls );
00146 emit dropped( e );
00147 emit dropped( this, e );
00148 emit dropped( this, urls );
00149 }
00150
00151 void KFileDnDDetailView::startDrag(){
00152
00153 kdDebug () << "KFileDnDDetailView::startDrag()" << endl;
00154
00155
00156 KURL::List urls;
00157 KFileItemListIterator it( * KFileView::selectedItems() );
00158 for ( ; it.current(); ++it ){
00159 urls.append( (*it)->url() );
00160 }
00161 QPixmap pixmap;
00162 if( urls.count() > 1 ){
00163 pixmap = DesktopIcon( "kmultiple", 16 );
00164 }
00165 if( pixmap.isNull() )
00166 pixmap = currentFileItem()->pixmap( 16 );
00167 QPoint hotspot;
00168 hotspot.setX( pixmap.width() / 2 );
00169 hotspot.setY( pixmap.height() / 2 );
00170 m_dragObject = KURLDrag::newDrag( urls, widget() );
00171 m_dragObject->setPixmap( pixmap, hotspot );
00172 m_dragObject->drag();
00173 }
00174
00175 QDragObject* KFileDnDDetailView::dragObject() const {
00176 return m_dragObject;
00177 }
00178
00179 bool KFileDnDDetailView::acceptDrag(QDropEvent* e ) const {
00180 return KURLDrag::canDecode( e ) &&
00181 ( e->action() == QDropEvent::Copy
00182 || e->action() == QDropEvent::Move
00183 || e->action() == QDropEvent::Link );
00184 }
00185
00186 void KFileDnDDetailView::setAutoOpenTime( const int& time ){
00187 m_autoOpenTime = time;
00188 useAutoOpenTimer();
00189 }
00190
00191 void KFileDnDDetailView::useAutoOpenTimer( bool use ){
00192 m_useAutoOpenTimer = use;
00193 if( use )
00194 connect( &m_autoOpenTimer, SIGNAL( timeout() ),this, SLOT( slotOpenFolder() ) );
00195 else {
00196 disconnect( &m_autoOpenTimer, SIGNAL( timeout() ),this, SLOT( slotOpenFolder() ) );
00197 m_dropItem = 0L;
00198 m_autoOpenTimer.stop();
00199 }
00200 }
00201
00202 void KFileDnDDetailView::setDnDEnabled( bool useDnD ){
00203 m_dndEnabled = useDnD;
00204 setDragEnabled( useDnD );
00205 setDropVisualizer( useDnD );
00206 setAcceptDrops( useDnD );
00207 viewport()->setAcceptDrops( useDnD );
00208 }
00209
00210 #ifndef NO_INCLUDE_MOCFILES
00211 #include "kfilednddetailview.moc"
00212 #endif
This file is part of the documentation for KDevelop Version 3.1.2.